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Fri, 5 Jun 2020 18:30:45 -0400 (EDT) Date: Fri, 5 Jun 2020 15:30:44 -0700 From: Andres Freund To: Jens Axboe Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org Subject: Re: [PATCHSET v5 0/12] Add support for async buffered reads Message-ID: <20200605223044.tnh7qsox7zg5uk53@alap3.anarazel.de> References: <20200526195123.29053-1-axboe@kernel.dk> <20200604005916.niy2mejjcsx4sv6t@alap3.anarazel.de> <6eeff14f-befc-a5cc-08da-cb77f811fbdf@kernel.dk> <20200605202028.d57nklzpeolukni7@alap3.anarazel.de> <20200605203613.ogfilu2edcsfpme4@alap3.anarazel.de> <75bfe993-008d-71ce-7637-369f130bd984@kernel.dk> <3539a454-5321-0bdc-b59c-06f60cc64b56@kernel.dk> <34aadc75-5b8a-331e-e149-45e1547b543e@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <34aadc75-5b8a-331e-e149-45e1547b543e@kernel.dk> X-Rspamd-Queue-Id: 7A50A1804E3A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, On 2020-06-05 15:21:34 -0600, Jens Axboe wrote: > >> I can reproduce this, and I see what it is. I'll send out a patch soonish. > > > > Thinko, can you try with this on top? > > Sorry that was incomplete, please use this one! That seems to fix it! Yay. Bulk buffered reads somehow don't quite seem to be performing that well though, looking into it. Could be on the pg side too. Greetings, Andres Freund